icddr,b (formerly known as the International Centre for Diarrhoeal Disease Research, Bangladesh) is an international health research organisation located in Dhaka, Bangladesh. Dedicated to saving lives through research and treatment, icddr,b addresses some of the most critical health concerns facing the world today, ranging from improving neonatal survival to HIV/AIDS. In collaboration with academic and research institutions over the world, icddr,b conducts research, training and extension activities, as well as programme-based activities, to develop and share knowledge for global lifesaving solutions.

icddr,b is one of the leading research institutes of the Global South, releasing, according to the Thomson Reuters Web of Science, 18 percent of the Bangladesh's publications.